Is raised NotConnectedError instead of OutboundSessionHasGoneAway when the caller hangs up the call at the same time that OutboundSessionServer accept the connection

[evangilo]

greenswitch traceback

Traceback (most recent call last):
  File "/tmp/myenv/myapp.py", line 218, in run
    self.outbound_session.myevents()
  File "/tmp/myenv/greenswitch/esl.py", line 354, in myevents
    self.send('myevents')
  File "/tmp/myenv/greenswitch/esl.py", line 200, in send
    raise NotConnectedError()
NotConnectedError"

FreeSWITCH logs

1249502:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:938 (sofia/internal/[email protected]:5063) State REPORTING
1249476:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 EXECUTE sofia/internal/[email protected]:5063 socket(127.0.0.1:5009 async full)
1249477:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.388313 [NOTICE] mod_event_socket.c:450 Trying host: 127.0.0.1:5009
1249484:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] sofia.c:7084 Channel sofia/internal/[email protected]:5063 entering state [terminated][487]
1249486:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [NOTICE] sofia.c:8273 Hangup sofia/internal/[email protected]:5063 [CS_EXECUTE] [ORIGINATOR_CANCEL]
1249492:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_session.c:2815 sofia/internal/[email protected]:5063 skip receive message [APPLICATION_EXEC_COMPLETE] (channel is hungup already)
1249493:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:650 (sofia/internal/[email protected]:5063) State EXECUTE going to sleep
1249494:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:584 (sofia/internal/[email protected]:5063) Running State Change CS_HANGUP (Cur 82 Tot 1784367)
1249495:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:850 (sofia/internal/[email protected]:5063) Callstate Change RINGING -> HANGUP
1249496:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:852 (sofia/internal/[email protected]:5063) State HANGUP
1249497:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] mod_sofia.c:438 Channel sofia/internal/[email protected]:5063 hanging up, cause: ORIGINATOR_CANCEL
1249498:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:60 sofia/internal/[email protected]:5063 Standard HANGUP, cause: ORIGINATOR_CANCEL
1249499:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:852 (sofia/internal/[email protected]:5063) State HANGUP going to sleep
1249500:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:619 (sofia/internal/[email protected]:5063) State Change CS_HANGUP -> CS_REPORTING
1249501:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:584 (sofia/internal/[email protected]:5063) Running State Change CS_REPORTING (Cur 82 Tot 1784367)
1249502:5bce88c8-b17d-11ea-8c20-6d30b33a4e74 2020-06-18 13:04:17.488328 [DEBUG] switch_core_state_machine.c:938 (sofia/internal/[email protected]:5063) State REPORTING